Check Valve Cartridge, 2/pk Back Catalog number: CTS-A094 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4116 Sample Needle Kit, 15µL Price on request CTS-21219 Piston, Ceramic Price on request CTS-21192 Cartridge, BioAcquity, I2V Price on request